Trimorphous. Occurring under three forms.
Triquetrous. Having three salient angles, the sides concave or channelled.
Truncate. Ending abruptly, as if cut off transversely.
Tuber. A thickened and short subterranean branch, having numerous buds or eyes.
Tubercle. A small tuber or tuber-like body.
Tuberiferous. Bearing tubers.
Tuberous. Having the character of a tuber; tuber-like in appearance.
Tumid. Swollen.
Tunicated. Having concentric coats, as an onion.
Turbinate. Top-shaped; inversely conical.